The dungeon master tried to prevent the bleeding, but normal healing wasn't working for some reason. Since he also needed some time to repair the damaged crystal layer, things weren't working since Femradiel was damaging other areas.
"This thing can't be healed by healing spells because it is an empty shell," Femradiel said. "I can sense it; Chimeras are a single creature made by parts of dead monsters. While some have a healing factor and can be healed by some spells, this one is different since the dungeon master created it in order to be a spare body."
"Or his main body," Ryan added.]